Current-to-current electrical isolator

Details Current-to-current electrical isolator Current-to-current electrical isolator

1975-04-25

1977-06-14

Goldberg, Gerald

Oscillators

Relaxation oscillators

321 27MS, 331 47, 331 52, H02M 3335

Patent

active

040300145

ABSTRACT:
A current-to-current isolator is utilized in a monitoring system between a signal transmitter and a control room instrument. The isolator has a master oscillator, including a first transformer, a slave oscillator, a current transformer and a rectifying circuit, so that the current signal at its input is closely reproduced at its output. The isolator is powered by the signal current from the transmitter and does not require an external power source.

REFERENCES:
patent: 3344335 (1967-09-01), Walker
patent: 3526823 (1970-09-01), Genuit
patent: 3571692 (1971-03-01), Andrew
patent: 3794907 (1974-02-01), Fucito

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